CN116793229A - Intelligent vision width measuring device based on 3D camera - Google Patents
Intelligent vision width measuring device based on 3D camera Download PDFInfo
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- CN116793229A CN116793229A CN202311076989.XA CN202311076989A CN116793229A CN 116793229 A CN116793229 A CN 116793229A CN 202311076989 A CN202311076989 A CN 202311076989A CN 116793229 A CN116793229 A CN 116793229A
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- 239000000463 material Substances 0.000 claims abstract description 40
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000000007 visual effect Effects 0.000 claims abstract description 13
- 238000005259 measurement Methods 0.000 claims abstract description 4
- 238000002788 crimping Methods 0.000 claims description 56
- 238000012545 processing Methods 0.000 claims description 18
- 238000001514 detection method Methods 0.000 abstract description 12
- 230000003811 curling process Effects 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/04—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving
- G01B11/046—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness specially adapted for measuring length or width of objects while moving for measuring width
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/022—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of tv-camera scanning
Abstract
The application discloses an intelligent visual width measuring device based on a 3D camera, which comprises: a connecting bracket; the 3D camera unit is arranged on the connecting bracket and is used for measuring the central position and the real-time width value of the material in the motion process; the curling unit is arranged below the 3D camera unit and is used for curling materials; the calibration unit is arranged on the connecting bracket and used for calibrating the positions among the material, the 3D camera unit and the curling unit; the intelligent control unit is respectively and electrically connected with the 3D camera unit, the curling unit and the calibration unit and is used for controlling the cooperative work among the 3D camera unit, the curling unit and the calibration unit so as to measure the width of the material. According to the application, the positions among the material, the 3D camera unit and the curling unit are calibrated through the calibration unit, and the real-time width of the material in the curling process is dynamically measured by using the 3D camera detection technology, so that the material can be accurately measured in the curling process, and the intelligent control unit coordinates the work among the devices, so that the measurement efficiency is greatly improved.
Description
Technical Field
The application relates to the technical field of curled rubber detection, in particular to an intelligent visual width measuring device based on a 3D camera.
Background
The curled rubber products are widely applied to the fields of automobiles, aviation, electronics, buildings and the like. Since the rubber product is deformed by curling during the production process of the product, it is required to detect the width of the product. The original method mainly uses manual direct detection, but has the problems of time waste, eye waste, energy waste, error and disorder and low efficiency.
In the prior art, a visual curl detection technology is often adopted, however, the accuracy of the existing detection equipment capable of dynamically detecting curled materials running on a station section is low, the detection accuracy can be affected due to other problems such as jumping and deformation of the materials in the curl process, so that the required requirements are not met, and the detection efficiency and the automation degree of the visual curl detection technology are low, advanced and intelligent.
Disclosure of Invention
The application aims to solve the technical problems that: the technology for detecting burrs of the lithium battery pole piece in the prior art has the problems of low detection accuracy, poor effect and large influence by the outside.
In order to solve the technical problems, the application provides an intelligent vision width measuring device based on a 3D camera, which comprises:
a connecting bracket;
the 3D camera unit is arranged on the connecting bracket and is used for measuring the central position and the real-time width value of the material in the moving process;
a curling unit disposed under the 3D camera unit, the curling unit for curling a material;
the calibration unit is arranged on the connecting bracket and is used for calibrating positions among the material, the 3D camera unit and the curling unit;
the intelligent control unit is respectively and electrically connected with the 3D camera unit, the curling unit and the calibration unit, and is used for controlling the cooperative work among the 3D camera unit, the curling unit and the calibration unit so as to measure the width of the material.
Further, the crimping unit includes:
a fixed bracket;
a crimping roller provided on the fixing bracket, the crimping roller being used for crimping a material;
the speed measuring sensor is arranged on the crimping roller and is used for detecting real-time rotating speed data of the crimping roller.
Further, the intelligent control unit includes:
the collecting module is electrically connected with the speed measuring sensor and is used for acquiring real-time rotating speed data of the crimping roller and transmitting the real-time rotating speed data to the processing module;
the processing module is connected with the acquisition module and is used for setting working state instructions of the 3D camera unit according to the real-time rotating speed data;
the control module is connected with the processing module and is used for controlling the 3D camera unit according to the working state instruction set by the processing module.
Further, the acquisition module is used for acquiring the real-time rotation speed delta G of the crimping roller, and the control module is used for controlling the 3D camera unit;
the processing module is used for setting a real-time rotating speed preset value G0 of a standard crimping roller, and is also used for setting a real-time rotating speed difference value G1 of a first preset crimping roller, a real-time rotating speed difference value G2 of a second preset crimping roller, a real-time rotating speed difference value G3 of a third preset crimping roller and a real-time rotating speed difference value G4 of a fourth preset crimping roller, wherein G1 is more than 2 and less than 3 and less than 4; the processing module is also used for setting a first preset acquisition frequency a1, a second preset acquisition frequency a2, a third preset acquisition frequency a3 and a fourth preset acquisition frequency a4, wherein a1 is more than a2 and less than a3 and less than a4;
selecting a preset acquisition frequency ai as the acquisition frequency of the 3D camera unit according to the difference value between the real-time rotating speed delta G of the crimping roller and a real-time rotating speed preset value G0 of a set standard crimping roller;
when delta G-G0 is less than or equal to G1, selecting the first preset acquisition frequency a1 as the acquisition frequency of the 3D camera unit;
when G1 < [ delta ] G-G0 is less than or equal to G2, selecting the second preset acquisition frequency a2 as the acquisition frequency of the 3D camera unit;
when G2 < [ delta ] G-G0 is less than or equal to G3, selecting the third preset acquisition frequency a3 as the acquisition frequency of the 3D camera unit;
when G3 < [ delta ] G-G0 is less than or equal to G4, selecting the fourth preset acquisition frequency a4 as the acquisition frequency of the 3D camera unit;
when the preset acquisition frequency ai is selected as the acquisition frequency of the 3D camera unit, the control module controls the 3D camera unit to work at the preset acquisition frequency ai, i=1, 2,3,4.
Further, the calibration unit includes:
the calibration plate is arranged on the crimping roller and is parallel to the crimping roller, and the calibration plate is used for calibrating the center of the crimping roller;
the marking laser is arranged on the connecting support and used for emitting a marking laser line on the center of the crimping roller, and the marking laser line is perpendicular to the marking plate.
Further, the 3D camera unit includes: a first 3D camera and a second 3D camera;
the first 3D camera and the second 3D camera are respectively arranged at two ends of the connecting support, and the first 3D camera and the second 3D camera are symmetrically arranged on the connecting support;
the first 3D camera and the second 3D camera are each configured to acquire 3D images at a certain acquisition frequency to measure a real-time width of the material.
Further, the first 3D camera and the second 3D camera each include a structured light 3D camera or a TOF3D camera.
Further, the intelligent control unit is configured with: HMI interfaces or wireless modules to connect external devices and receive data information.
Compared with the prior art, the intelligent visual width measuring device based on the 3D camera has the beneficial effects that:
according to the application, the positions among the material, the 3D camera unit and the curling unit are calibrated through the calibration unit, and the real-time width of the material in the curling process is dynamically measured by using the 3D camera detection technology, so that the material can be accurately measured in the curling process, and the intelligent control unit coordinates the work among the devices, so that the measurement efficiency is greatly improved.
Drawings
FIG. 1 is a schematic diagram of a front view structure of an intelligent visual width measuring device based on a 3D camera in an embodiment of the application;
FIG. 2 is a schematic diagram of the operation of a 3D camera unit of the intelligent visual width measuring apparatus based on a 3D camera in an embodiment of the present application;
FIG. 3 is a schematic diagram of the installation position of a reticle laser of a 3D camera-based intelligent vision width measuring device in an embodiment of the present application;
fig. 4 is a schematic diagram of the composition of an intelligent control unit of the intelligent visual width measuring device based on the 3D camera in the embodiment of the application.
The reference numerals are explained as follows:
1. a connecting bracket 1; 2. a 3D camera unit; 3. a fixed bracket; 4. a crimping roller; 5. a speed sensor; 6. a calibration plate; 7. a reticle laser; 8. a first 3D camera; 9. a second 3D camera.
Detailed Description
The following describes in further detail the embodiments of the present application with reference to the drawings and examples. The following examples are illustrative of the application and are not intended to limit the scope of the application.
In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.
The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
As shown in fig. 1-3, in an embodiment of the present application, there is provided an intelligent vision width measuring apparatus based on a 3D camera, including: a connecting bracket 1; a 3D camera unit 2 disposed on the connection bracket 1, the 3D camera unit 2 being used to measure a center position and a real-time width value of a material during movement; a curling unit disposed under the 3D camera unit, the curling unit for curling a material; the calibration unit is arranged on the connecting bracket 1 and is used for calibrating positions among materials, the 3D camera unit 2 and the curling unit; the intelligent control unit is respectively and electrically connected with the 3D camera unit 2, the curling unit and the calibration unit, and is used for controlling the cooperative work among the 3D camera unit 2, the curling unit and the calibration unit so as to measure the width of the material.
Furthermore, the positions among the material, the 3D camera unit 2 and the curling unit are calibrated through the calibration unit, the real-time width of the material in the curling process is dynamically measured by using a 3D camera detection technology, the material can be accurately measured in the curling process, and the intelligent control unit coordinates the work among the devices, so that the measuring efficiency is greatly improved.
In an embodiment of the present application, there is provided an intelligent vision width measuring apparatus based on a 3D camera, the curling unit including: a fixed bracket 3; a crimping roller 4 provided on the fixing bracket 3, the crimping roller 4 being for crimping a material; the speed measuring sensor 5 is arranged on the crimping roller 4, and the speed measuring sensor 5 is used for detecting real-time rotating speed data of the crimping roller 4.
As shown in fig. 4, in an embodiment of the present application, there is provided an intelligent vision width measuring apparatus based on a 3D camera, the intelligent control unit including: the acquisition module is electrically connected with the speed measuring sensor 5 and is used for acquiring real-time rotating speed data of the crimping roller 4 and transmitting the real-time rotating speed data to the processing module; the processing module is connected with the acquisition module and is used for setting working state instructions of the 3D camera unit 2 according to the real-time rotating speed data; the control module is connected with the processing module and is used for controlling the 3D camera unit 2 according to the working state instruction set by the processing module.
In an embodiment of the present application, an intelligent visual width measuring device based on a 3D camera is provided, the collecting module is configured to collect a real-time rotation speed Δg of the crimping roller 4, and the control module is configured to control the 3D camera unit 2;
the processing module is used for setting a real-time rotating speed preset value G0 of the standard crimping roller 4, and is also used for setting a real-time rotating speed difference value G1 of the first preset crimping roller 4, a real-time rotating speed difference value G2 of the second preset crimping roller 4, a real-time rotating speed difference value G3 of the third preset crimping roller 4 and a real-time rotating speed difference value G4 of the fourth preset crimping roller 4, wherein G1 is more than 2 and less than 3 and less than 4; the processing module is also used for setting a first preset acquisition frequency a1, a second preset acquisition frequency a2, a third preset acquisition frequency a3 and a fourth preset acquisition frequency a4, wherein a1 is more than a2 and less than a3 and less than a4;
selecting a preset acquisition frequency ai as the acquisition frequency of the 3D camera unit 2 according to the difference value between the real-time rotating speed delta G of the crimping roller 4 and the real-time rotating speed preset value G0 of the set standard crimping roller 4;
when delta G-G0 is less than or equal to G1, selecting the first preset acquisition frequency a1 as the acquisition frequency of the 3D camera unit 2;
when G1 < [ delta ] G-G0 is less than or equal to G2, selecting the second preset acquisition frequency a2 as the acquisition frequency of the 3D camera unit 2;
when G2 < [ delta ] G-G0 is less than or equal to G3, selecting the third preset acquisition frequency a3 as the acquisition frequency of the 3D camera unit 2;
when G3 < [ delta ] G-G0 is less than or equal to G4, selecting the fourth preset acquisition frequency a4 as the acquisition frequency of the 3D camera unit 2;
when the preset acquisition frequency ai is selected as the acquisition frequency of the 3D camera unit 2, the control module controls the 3D camera unit 2 to operate at the preset acquisition frequency ai, i=1, 2,3,4.
In an embodiment of the present application, there is provided an intelligent vision width measuring device based on a 3D camera, and a calibration unit includes: a calibration plate 6 disposed on the crimping roller 4 and parallel to the crimping roller 4, the calibration plate 6 being used for calibrating the center of the crimping roller 4; and the marking laser 7 is arranged on the connecting bracket 1, the marking laser 7 is used for emitting a marking laser line on the center of the crimping roller 4, and the marking laser line is perpendicular to the marking plate.
In an embodiment of the present application, there is provided an intelligent vision width measuring apparatus based on a 3D camera, the 3D camera unit 2 including: a first 3D camera 8 and a second 3D camera 9; the first 3D camera 8 and the second 3D camera 9 are respectively arranged on two ends of the connecting support 1, and the first 3D camera 8 and the second 3D camera 9 are symmetrically arranged on the connecting support 1; the first 3D camera 8 and the second 3D camera 9 are each used to acquire 3D images at a certain acquisition frequency to measure the real-time width of the material.
In an embodiment of the application, an intelligent visual width measuring device based on a 3D camera is provided, the first 3D camera 8 and the second 3D camera 9 each comprising a structured light 3D camera or a TOF3D camera.
In an embodiment of the present application, there is provided an intelligent vision width measuring apparatus based on a 3D camera, the intelligent control unit being configured with: HMI interfaces or wireless modules to connect external devices and receive data information.
In summary, an embodiment of the present application provides an intelligent visual width measuring device based on a 3D camera, including: a connecting bracket 1; the 3D camera unit 2 is arranged on the connecting bracket 1 and is used for measuring the central position and the real-time width value of the material in the motion process; the curling unit is arranged below the 3D camera unit and is used for curling materials; the calibration unit is arranged on the connecting bracket 1 and is used for calibrating the positions among the material, the 3D camera unit 2 and the curling unit; the intelligent control unit is respectively and electrically connected with the 3D camera unit 2, the curling unit and the calibration unit and is used for controlling the cooperative work among the 3D camera unit 2, the curling unit and the calibration unit so as to measure the width of the material. According to the application, the material is calibrated through the calibration unit, the position between the 3D camera unit 2 and the curling unit, and the real-time width of the material in the curling process is dynamically measured by using the 3D camera detection technology, so that the material can be accurately measured in the curling process, and the intelligent control unit coordinates the work among devices, so that the measurement efficiency is greatly improved.
Finally, it should be noted that: it will be apparent to those skilled in the art that various modifications and variations can be made to the present application without departing from the spirit or scope of the application. Thus, it is intended that the present application also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
The foregoing is merely an example of the present application and is not intended to limit the scope of the present application, and all changes made in the structure according to the present application should be considered as falling within the scope of the present application without departing from the gist of the present application. It will be clear to those skilled in the art that, for convenience and brevity of description, the specific working process of the system described above and the related description may refer to the corresponding process in the foregoing method embodiment, which is not repeated here.
The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus/apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus/apparatus.
Thus far, the technical solution of the present application has been described in connection with the further embodiments shown in the drawings, but it is readily understood by those skilled in the art that the scope of protection of the present application is not limited to these specific embodiments. Equivalent modifications and substitutions for related technical features may be made by those skilled in the art without departing from the principles of the present application, and such modifications and substitutions will fall within the scope of the present application.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the present application.
Claims (8)
1. Intelligent vision width measurement device based on 3D camera, its characterized in that includes:
a connecting bracket;
the 3D camera unit is arranged on the connecting bracket and is used for measuring the central position and the real-time width value of the material in the moving process;
a curling unit disposed under the 3D camera unit, the curling unit for curling a material;
the calibration unit is arranged on the connecting bracket and is used for calibrating positions among the material, the 3D camera unit and the curling unit;
the intelligent control unit is respectively and electrically connected with the 3D camera unit, the curling unit and the calibration unit, and is used for controlling the cooperative work among the 3D camera unit, the curling unit and the calibration unit so as to measure the width of the material.
2. The 3D camera-based intelligent vision widening apparatus as set forth in claim 1, wherein the curling unit includes:
a fixed bracket;
a crimping roller provided on the fixing bracket, the crimping roller being used for crimping a material;
the speed measuring sensor is arranged on the crimping roller and is used for detecting real-time rotating speed data of the crimping roller.
3. The intelligent vision widening apparatus based on 3D camera as set forth in claim 2, wherein the intelligent control unit includes:
the collecting module is electrically connected with the speed measuring sensor and is used for acquiring real-time rotating speed data of the crimping roller and transmitting the real-time rotating speed data to the processing module;
the processing module is connected with the acquisition module and is used for setting working state instructions of the 3D camera unit according to the real-time rotating speed data;
the control module is connected with the processing module and is used for controlling the 3D camera unit according to the working state instruction set by the processing module.
4. The intelligent visual width measuring device based on the 3D camera according to claim 3, wherein,
the acquisition module is used for acquiring the real-time rotating speed delta G of the crimping roller, and the control module is used for controlling the 3D camera unit;
the processing module is used for setting a real-time rotating speed preset value G0 of a standard crimping roller, and is also used for setting a real-time rotating speed difference value G1 of a first preset crimping roller, a real-time rotating speed difference value G2 of a second preset crimping roller, a real-time rotating speed difference value G3 of a third preset crimping roller and a real-time rotating speed difference value G4 of a fourth preset crimping roller, wherein G1 is more than 2 and less than 3 and less than 4; the processing module is also used for setting a first preset acquisition frequency a1, a second preset acquisition frequency a2, a third preset acquisition frequency a3 and a fourth preset acquisition frequency a4, wherein a1 is more than a2 and less than a3 and less than a4;
selecting a preset acquisition frequency ai as the acquisition frequency of the 3D camera unit according to the difference value between the real-time rotating speed delta G of the crimping roller and a real-time rotating speed preset value G0 of a set standard crimping roller;
when delta G-G0 is less than or equal to G1, selecting the first preset acquisition frequency a1 as the acquisition frequency of the 3D camera unit;
when G1 < [ delta ] G-G0 is less than or equal to G2, selecting the second preset acquisition frequency a2 as the acquisition frequency of the 3D camera unit;
when G2 < [ delta ] G-G0 is less than or equal to G3, selecting the third preset acquisition frequency a3 as the acquisition frequency of the 3D camera unit;
when G3 < [ delta ] G-G0 is less than or equal to G4, selecting the fourth preset acquisition frequency a4 as the acquisition frequency of the 3D camera unit;
when the preset acquisition frequency ai is selected as the acquisition frequency of the 3D camera unit, the control module controls the 3D camera unit to work at the preset acquisition frequency ai, i=1, 2,3,4.
5. The intelligent vision width measuring device based on the 3D camera according to claim 2, wherein the calibration unit comprises:
the calibration plate is arranged on the crimping roller and is parallel to the crimping roller, and the calibration plate is used for calibrating the center of the crimping roller;
the marking laser is arranged on the connecting support and used for emitting a marking laser line on the center of the crimping roller, and the marking laser line is perpendicular to the marking plate.
6. The intelligent vision widening apparatus based on 3D camera as set forth in claim 1, wherein the 3D camera unit includes: a first 3D camera and a second 3D camera;
the first 3D camera and the second 3D camera are respectively arranged at two ends of the connecting support, and the first 3D camera and the second 3D camera are symmetrically arranged on the connecting support;
the first 3D camera and the second 3D camera are each configured to acquire 3D images at a certain acquisition frequency to measure a real-time width of the material.
7. The intelligent visual width measuring device based on the 3D camera according to claim 6, wherein,
the first 3D camera and the second 3D camera each include a structured light 3D camera or a TOF3D camera.
8. The intelligent vision widening apparatus based on 3D camera as set forth in claim 1, wherein the intelligent control unit is configured with: HMI interfaces or wireless modules to connect external devices and receive data information.
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| CN202311076989.XA CN116793229A (en) | 2023-08-25 | 2023-08-25 | Intelligent vision width measuring device based on 3D camera |
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| CN202311076989.XA CN116793229A (en) | 2023-08-25 | 2023-08-25 | Intelligent vision width measuring device based on 3D camera |
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| CN116147507A (en) * | 2023-04-18 | 2023-05-23 | 钛玛科（北京）工业科技有限公司 | Crimping station intelligent detection system |
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